Many Americans are learning a new word, “sequestration,” while Congress abides by an old one, “gridlock.” And meanwhile, automatic spending cuts set to kick in March 1 have many observers, including those in government and business, scratching their heads, not sure how to put in words just what their potential impact may be. “We don’t have a military base on top of Gainesville or an agency like the (Centers for Disease Control and Prevention) ... in our community, and yet we have so many areas where federal spending shows up in our local economy,” said Tim Evans, the Greater Hall Chamber of Commerce’s vice president of economic development.